package com.wei;


import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.wei.entity.GdComplain;
import com.wei.entity.GdProperty;
import com.wei.entity.GdWaterfee;
import com.wei.mapper.GdComplainMapper;
import com.wei.mapper.GdPropertyMapper;
import com.wei.mapper.GdWaterfeeMapper;
import org.apache.ibatis.jdbc.Null;
import org.junit.jupiter.api.Test;
import org.mybatis.spring.annotation.MapperScan;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.test.context.SpringBootTest;

import java.util.Arrays;
import java.util.Date;
import java.util.HashMap;
import java.util.Map;

@SpringBootTest
public class test {
    @Autowired
    private GdWaterfeeMapper waterfeeMapper;

    @Test
    public void test1() {
        String str = "你好，大哥哥！";
        char[] chars = str.toCharArray();
        StringBuilder builder = new StringBuilder();
        for (int i = chars.length-1; i >= 0; i--) {
            builder.append(chars[i]);
        }
        System.out.println(builder);

    }
}
